Heat sink and cleaning device
a technology for heating sinks and cleaning devices, applied in the direction of vehicle cleaning, cleaning using liquids, instruments, etc., can solve problems such as the performance compromise of the autonomous driving system, and achieve the effect of reducing water and debris accumulation
Inactive Publication Date: 2018-09-27
GM GLOBAL TECH OPERATIONS LLC
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- Abstract
- Description
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- Application Information
AI Technical Summary
Benefits of technology
The present disclosure provides a solution to prevent water and debris accumulation on a LIDAR sensor's lens and uses the sensor's warm air to dry it and provide a defogging effect. This improves the sensor's performance and reliability.
Problems solved by technology
Operation of the autonomous vehicle during inclement weather can result in droplets or other accumulations that compromise the field of view of the LIDAR sensor and thus compromise performance of the autonomous driving system.
Method used
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[0029]Embodiments of the present disclosure are described herein. It is to be understood, however, that the disclosed embodiments are merely examples and other embodiments can take various and alternative forms. The figures are not necessarily to scale; some features could be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. As those of ordinary skill in the art will understand, various features illustrated and described with reference to any one of the figures can be combined with features illustrated in one or more other figures to produce embodiments that are not explicitly illustrated or described. The combinations of features illustrated provide representative embodiments for typical applications. Various combinations and modifications of ...
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A heat sink with at least one fluid directing member is disclosed. The heat sink includes a heat collection surface, a heat transfer surface comprising at least one heat dissipation surface, and at least one fluid directing member. Arranging the heat collection surface in operative connection with the heat source causes dissipation of heat from the heat source through the at least one heat dissipation surface. The at least one fluid directing member directs a fluid away from the heat transfer surface and towards an outer surface of the heat source.
Description
INTRODUCTION[0001]The present invention relates generally to the field of vehicle sensors and, more specifically, to a heat sink and cleaning device for a vehicle sensor.[0002]The operation of modern vehicles is becoming more automated, i.e. able to provide driving control with less and less driver intervention. Vehicle automation has been categorized into numerical levels ranging from Zero, corresponding to no automation with full human control, to Five, corresponding to full automation with no human control. Various automated driver-assistance systems, such as cruise control, adaptive cruise control, and parking assistance systems correspond to lower automation levels, while true “driverless” vehicles correspond to higher automation levels.[0003]Autonomous vehicles are equipped with a variety of sensors to provide information on the surrounding environment. One type of sensor commonly found on autonomous vehicles is a LIDAR sensor. LIDAR sensors are often mounted on a heat sink to...
Claims
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IPC IPC(8): B60S1/56F28F3/02G01S7/481G01S17/93B60S1/48B60S1/52G01S17/931
CPCB60S1/56F28F3/022B60S1/52G01S17/936B60S1/481G01S7/4811B08B3/02B08B5/02G01S7/48H05K7/20409G01S7/4813G02B27/0006G01S17/931
Inventor SWAIN, BRIAN A.
Owner GM GLOBAL TECH OPERATIONS LLC